[Rgc] [New Logentry] RC Daily Summary

[jpoudel at jlab.org]

Logentry Text:
--
----- Thursday Day Shift -----
Beam off at 8:15 am for RF recovery. Took opportunity to change target: Empty -> NH3. It went smooth
During the downtime, issues related to DAQ and detector systems are fixed.
RF recovery completed around 3 pm.
Day shift summary by Daniel Carman: https://logbooks.jlab.org/entry/4015185

----- Thursday Swing Shift -----
Target polarization started around 7 pm. Hall taken to beam permit then.
Expected beam around 8:15pm, but got good beam around 9:45 pm.
Beam to tagger, harp scan and then Moller run with HWP-OUT were good. Beam polarization: -83.53%. Moller run with HWP-IN failed and then aborted.
Beam to FC and all looked good.
Data taking using new trigger file (rgc_300MeV_v1.3_no_DC.trg) with Q^2 cut
Swing Shift Summary by Sebastian Kuhn: https://logbooks.jlab.org/entry/4015415
Total data accumulated during this shift with NH3 target: ~10 M events

----- Friday Owl Shift -----
Production data with NH3 target @4nA beam current
Target polarization slowly decreased overtime and reached ~59%, starting from ~62%
Owl Shift Summary by Nicholas Zachariou: https://logbooks.jlab.org/entry/4015601
Total data accumulated during this shift with NH3 target: ~110 M events


Plans ahead:
Continue data taking with NH3 target @4nA beam current.
Take opportunity of longer downtown to prepare Moller run with HWP-IN
Change of target bath level to 87 from 75 !!!

RC meeting at 2:00 pm today. zoom link: https://jlab-org.zoomgov.com/j/1608674253?pwd=SFZyYmZLWXJieGtpV2dEdVRiUEJnUT09&from=addon#success


---

This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4015821
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/rgc/attachments/20220715/ac2d6c8f/attachment.html>